The manuscript is designed to suit for both undergraduate students (Those taking their first degree)and those people who are interested in reading management science.The text encompasses five topics, namely, Management Science Approaches to Problems Solving, Linear Programming, Transportation and Assignment Problems, Inventory Control, Queuing Theory and Network Analysis. The topics are presented in such a way that, readers will acquaint themselves with suitable tools to analyze problems that are directly related to Operations research using the contained quantitative approaches. The simple and complex examples will serve as guidelines to students when they face challenges from other sources. In general, this text is expected not only to teach you specific techniques but also provides a method for approaching problems that will be very useful in your endeavor. Is expected to be user friendly.